Parts such as the Footrests: Bracket-step,rh, Step,rh, Bolt,flanged,12x23, Pin-cotter,3.0x20 are included in the Kx450d6f Kx450f 2006 Usa Canada Footrests parts fiche.
In this schematic the "Pin-cotter,3.0x20" is used most often.
The Pin-cotter,3.0x20 is the lowest priced item on this Footrests schematic.